Datasheet LT3080 (Analog Devices) - 6
| Fabricante | Analog Devices |
| Descripción | Adjustable 1.1A Single Resistor Low Dropout Regulator |
| Páginas / Página | 28 / 6 — TYPICAL PERFORMANCE CHARACTERISTICS. Dropout Voltage. Dropout Voltage … |
| Revisión | D |
| Formato / tamaño de archivo | PDF / 1.4 Mb |
| Idioma del documento | Inglés |
TYPICAL PERFORMANCE CHARACTERISTICS. Dropout Voltage. Dropout Voltage (Minimum. (Minimum IN Voltage). VCONTROL Pin Voltage)
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LT3080
TYPICAL PERFORMANCE CHARACTERISTICS Dropout Voltage Dropout Voltage (Minimum Dropout Voltage (Minimum (Minimum IN Voltage) VCONTROL Pin Voltage) VCONTROL Pin Voltage)
400 ) (V) 1.6 ) (V) 1.6 OUT TJ = –50°C OUT 350 1.4 1.4 ILOAD = 1.1A ) (mV) I – V – V LOAD = 1.1A OUT 300 1.2 1.2 – V T CONTROL J = 125°C CONTROL IN 250 1.0 T 1.0 I J = 25°C LOAD = 1mA I 200 LOAD = 500mA 0.8 0.8 TAGE (V TAGE (V TAGE (V 150 0.6 0.6 100 ILOAD = 100mA 0.4 0.4 50 0.2 0.2 MINIMUM IN VOL 0 0 0 –50 –25 0 25 50 75 100 125 150 MINIMUM CONTROL VOL 0 0.2 0.4 0.6 0.8 1.0 1.2 MINIMUM CONTROL VOL –50 –25 0 25 50 75 100 125 150 TEMPERATURE (°C) OUTPUT CURRENT (A) TEMPERATURE (°C) 3080 G10 3080 G11 3080 G12
Current Limit Current Limit Load Transient Response
1.6 1.6 75 V T OUT = 1.5V J = 25°C 50 CSET = 0.1µF 1.4 1.4 V SOT-223, DD-PAK 25 IN = VCONTROL = 3V 1.2 1.2 AND TO-220 0 1.0 1.0 OUTPUT VOLTAGE DEVIATION (mV) –25 COUT = 10µF CERAMIC 0.8 0.8 –50 COUT = 2.2µF CERAMIC 400 0.6 0.6 CURRENT LIMIT (A) CURRENT LIMIT (A) MSOP 300 0.4 0.4 AND 200 DFN 0.2 VIN = 7V 0.2 100 VOUT = 0V 0 0 LOAD CURRENT (mA) 0 –50 –25 0 25 50 75 100 125 150 0 6 12 18 24 30 36* 0 5 10 15 20 25 30 35 40 45 50 TEMPERATURE (°C) INPUT-TO-OUTPUT DIFFERENTIAL (V) TIME (µs) 3080 G13 *SEE NOTE 9 IN ELECTRICAL 3080 G14 3080 G15 CHARACTERISTICS TABLE
Load Transient Response Line Transient Response Turn-On Response
150 75 5 100 50 4 50 25 3 VOLTAGE 0 0 2 OUTPUT VOLTAGE DEVIATION (mV) –50 OUTPUT DEVIATION (mV) –25 1 INPUT VOLTAGE (V) RSET = 100k –100 C –50 VOUT = 1.5V 0 SET = 0 I R LOAD = 10mA LOAD = 1Ω 1.2 6 C C OUT = 2.2µF 2.0 OUT = 2.2µF CERAMIC V CERAMIC 0.9 IN = VCONTROL = 3V V 5 1.5 OUT = 1.5V CSET = 0.1µF 0.6 COUT = 10µF CERAMIC VOLTAGE (V) 4 CERAMIC 1.0 CSET = 0.1µF 0.3 3 0.5 LOAD CURRENT (A) 0 2 OUTPUT VOLTAGE (V) 0 0 5 10 15 20 25 30 35 40 45 50 0 IN/CONTROL 10 20 30 40 50 60 70 80 90 100 0 1 2 3 4 5 6 7 8 9 10 TIME (µs) TIME (µs) TIME (µs) 3080 G16 3080 G17 3080 G18 Rev. D 6 For more information www.analog.com Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Applications Information Output Voltage Stability and Output Capacitance Paralleling Devices Thermal Performance Quieting the Noise Overload Recovery Load Regulation Thermal Considerations T Package, 5-Lead TO-220 Calculating Junction Temperature Reducing Power Dissipation Typical Applications Package Description Revision History Typical Application Related Parts
TYPICAL PERFORMANCE CHARACTERISTICS Dropout Voltage Dropout Voltage (Minimum Dropout Voltage (Minimum (Minimum IN Voltage) VCONTROL Pin Voltage) VCONTROL Pin Voltage)
400 ) (V) 1.6 ) (V) 1.6 OUT TJ = –50°C OUT 350 1.4 1.4 ILOAD = 1.1A ) (mV) I – V – V LOAD = 1.1A OUT 300 1.2 1.2 – V T CONTROL J = 125°C CONTROL IN 250 1.0 T 1.0 I J = 25°C LOAD = 1mA I 200 LOAD = 500mA 0.8 0.8 TAGE (V TAGE (V TAGE (V 150 0.6 0.6 100 ILOAD = 100mA 0.4 0.4 50 0.2 0.2 MINIMUM IN VOL 0 0 0 –50 –25 0 25 50 75 100 125 150 MINIMUM CONTROL VOL 0 0.2 0.4 0.6 0.8 1.0 1.2 MINIMUM CONTROL VOL –50 –25 0 25 50 75 100 125 150 TEMPERATURE (°C) OUTPUT CURRENT (A) TEMPERATURE (°C) 3080 G10 3080 G11 3080 G12
Current Limit Current Limit Load Transient Response
1.6 1.6 75 V T OUT = 1.5V J = 25°C 50 CSET = 0.1µF 1.4 1.4 V SOT-223, DD-PAK 25 IN = VCONTROL = 3V 1.2 1.2 AND TO-220 0 1.0 1.0 OUTPUT VOLTAGE DEVIATION (mV) –25 COUT = 10µF CERAMIC 0.8 0.8 –50 COUT = 2.2µF CERAMIC 400 0.6 0.6 CURRENT LIMIT (A) CURRENT LIMIT (A) MSOP 300 0.4 0.4 AND 200 DFN 0.2 VIN = 7V 0.2 100 VOUT = 0V 0 0 LOAD CURRENT (mA) 0 –50 –25 0 25 50 75 100 125 150 0 6 12 18 24 30 36* 0 5 10 15 20 25 30 35 40 45 50 TEMPERATURE (°C) INPUT-TO-OUTPUT DIFFERENTIAL (V) TIME (µs) 3080 G13 *SEE NOTE 9 IN ELECTRICAL 3080 G14 3080 G15 CHARACTERISTICS TABLE
Load Transient Response Line Transient Response Turn-On Response
150 75 5 100 50 4 50 25 3 VOLTAGE 0 0 2 OUTPUT VOLTAGE DEVIATION (mV) –50 OUTPUT DEVIATION (mV) –25 1 INPUT VOLTAGE (V) RSET = 100k –100 C –50 VOUT = 1.5V 0 SET = 0 I R LOAD = 10mA LOAD = 1Ω 1.2 6 C C OUT = 2.2µF 2.0 OUT = 2.2µF CERAMIC V CERAMIC 0.9 IN = VCONTROL = 3V V 5 1.5 OUT = 1.5V CSET = 0.1µF 0.6 COUT = 10µF CERAMIC VOLTAGE (V) 4 CERAMIC 1.0 CSET = 0.1µF 0.3 3 0.5 LOAD CURRENT (A) 0 2 OUTPUT VOLTAGE (V) 0 0 5 10 15 20 25 30 35 40 45 50 0 IN/CONTROL 10 20 30 40 50 60 70 80 90 100 0 1 2 3 4 5 6 7 8 9 10 TIME (µs) TIME (µs) TIME (µs) 3080 G16 3080 G17 3080 G18 Rev. D 6 For more information www.analog.com Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Applications Information Output Voltage Stability and Output Capacitance Paralleling Devices Thermal Performance Quieting the Noise Overload Recovery Load Regulation Thermal Considerations T Package, 5-Lead TO-220 Calculating Junction Temperature Reducing Power Dissipation Typical Applications Package Description Revision History Typical Application Related Parts